The Van Nostrand Science Series.
No. 39.-A HANDBOOK OF THE ELECTRO-MAGNETIC TELEGRAPH. By A. E. Loring.
No. 40.-TRANSMISSION OF POWER BY COMPRESSED AIR. By Robert Zabner, M.E. Second edition.
No. 41.-STRENGTH OF MATERIALS. By William Kent, C.E. Second Edition.
No. 42.-VOUSSOIR ARCHES APPLIED TO STONE BRIDGES, TUNNELS, CULVERTS, AND DOMES. By Prof. William Cain.
No. 43.-WAVE AND VORTEX MOTION. By Dr. Thomas Craig, of Johns Hopkins University.
No. 44.-TURBINE WHEELS. By Prof. W. P. Trowbridge, Columbia College. Second edition. Revised.
No. 45.-THERMODYNAMICS. By Prof. H. T. Eddy, University of Cincinnati.
No. 46,-ICE-MAKING MACHINES. From the French of M. Le Doux. Revised by Prof. Denton.
No. 47.-LINKAGES; THE DIFFERENT FORMS AND USES OF ARTICULATED LINKS. By J. D. C. de Roos.
No. 48.-THEORY OF SOLID AND BRACED ARCHES By William Cain, C.E.
No. 49.-ON THE MOTION OF A SOLID IN THE FLUID. By Thomas Craig, Ph.D.
No. 50.-DWELLING-HOUSES: THEIR SANITARY CONSTRUCTION AND ARRANGEMENTS. By Prof. W. H. Corfield.
No. 51.-THE TELESCOPE: ITS CONSTRUCTION, ETC. By Thomas Nolan.
No. 52.-IMAGINARY QUANTITIES. Translated from the French of M. Argand. By Prof. Hardy.
No. 53.-INDUCTION COILS: HOW MADE AND HOW USED. Fifth edition.
No. 54.-KINEMATICS OF MACHINERY. By Prof. Kennedy. With an introduction by Prof. R. H. Thurston.
No. 55.-SEWER GASES: THEIR NATURE AND ORIGIN. By A. de Varona.
No. 56.-THE ACTUAL LATERAL PRESSURE OF EARTH-WORK. By Benjamin Baker, M. Inst. C.E.
No 57.-INCANDESCENT ELECTRIC LIGHTING. A Practical Description of the Edison System. By L. H. Latimer, to which is added the Design and Operation of Incandescent Stations. By C. J. Field, and the Maximum Efficiency of Incandescent Lamps, by John W. Howell.
No. 58.-THE VENTILATION OF COAL-MINES. By W. Fairley, M.E., F.S.S., and Geo. J. André.
No. 59.-RAILROAD ECONOMICS: OR, NOTES, WITH COMMENTS. By S. W. Robinson, C.E.